87697018233 has 12 divisors (see below), whose sum is σ = 138189241008. Its totient is φ = 53149707960.

The previous prime is 87697018229. The next prime is 87697018237. The reversal of 87697018233 is 33281079678.

It is an interprime number because it is at equal distance from previous prime (87697018229) and next prime (87697018237).

It is not a de Polignac number, because 87697018233 - 2² = 87697018229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87697018233.

It is not an unprimeable number, because it can be changed into a prime (87697018237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442914135 + ... + 442914332.

It is an arithmetic number, because the mean of its divisors is an integer number (11515770084).

Almost surely, 2^87697018233 is an apocalyptic number.

It is an amenable number.

87697018233 is a deficient number, since it is larger than the sum of its proper divisors (50492222775).

87697018233 is a wasteful number, since it uses less digits than its factorization.

87697018233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885828484 (or 885828481 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 87697018233 in words is "eighty-seven billion, six hundred ninety-seven million, eighteen thousand, two hundred thirty-three".